5b8d7c6b76938587dcfc84a8688c1db60d569598
ROOT CAUSE FOUND: patch_ops.sh only deployed serving-layer files (tool_parser, reasoning, protocol, serving_chat) but NEVER deployed: - qwen3_5.py (1712 lines of NaN-safe DeltaNet + CCCL patterns) - _custom_ops.py (MoE kernel fallback for BI-V100) - model_runner.py (has_inner_state for DeltaNet MambaCacheManager) - sampler.py, sequence.py, scheduler.py, arg_utils.py - xformers.py, paged_attn.py, prefix_prefill.py - logits_processor.py, mamba_cache.py The container was running the BASE IMAGE's original qwen3_5.py which has: - NO NaN clamping (g.clamp, cumsum.clamp, state.clamp) - NO overflow_cast protection (CCCL pattern) - NO forward substitution fallback (cuSOLVER unavailable on BI-V100) - NO batched GEMM MoE decode (3 launches vs 16) - NO sorted-segment MoE prefill (CCCL histogram pattern) - NO GDN prefix-cache state save/restore This explains why Docker logs showed 99.98% NaN in EVERY DeltaNet layer despite our qwen3_5.py having comprehensive numerical guards. Also fixes: - serving_chat.py: n>1 returns 400 instead of clamping (prevents OOM cascade) - serving_chat.py: improved d07 content fallback (multi-layer extraction)
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